Merge to get true base of James' recent gps changes

[flightgear.git] / src / Instrumentation / navradio.hxx

diff --git a/src/Instrumentation/navradio.hxx b/src/Instrumentation/navradio.hxx
index 41d662ff06f7ad6ddd540032c7ecacac7a713466..5cc368f1b47f3119540eab5b75a62a23de132c53 100644 (file)
--- a/src/Instrumentation/navradio.hxx
+++ b/src/Instrumentation/navradio.hxx
@@ -39,7 +39,7 @@ class SGSampleGroup;
 class FGNavRecord;
 typedef SGSharedPtr<FGNavRecord> FGNavRecordPtr;
 
-class FGNavRadio : public SGSubsystem
+class FGNavRadio : public SGSubsystem, public SGPropertyChangeListener
 {
     FGMorse morse;
 
@@ -212,6 +212,9 @@ class FGNavRadio : public SGSubsystem
       _tiedNodes.push_back(nd);
       nd->tie(aRawValue);
     }
+    
+  // implement SGPropertyChangeListener
+    virtual void valueChanged (SGPropertyNode * prop);
 public:
 
     FGNavRadio(SGPropertyNode *node);